We are seeking a Senior Network Specialist responsible for designing, implementing, and maintaining network and cloud infrastructure across on-premises and multi-cloud environments. The ideal candidate will ensure scalable, reliable, and secure networks that meet business objectives and performance requirements.

Responsibilities:

1) Network Operations & Support

• Design, configure, and install various network devices and services (e.g., routers, switches, firewalls, VPN, QoS).
• Perform routine network maintenance, system upgrades, and apply security patches/configurations.
• Monitor network/system performance, availability, and capacity to ensure reliability and plan for growth.
• Provide Level 2/3 support and troubleshoot complex network issues.
• Maintain accurate documentation including network diagrams and VPN configurations for support teams.
• Implement disaster recovery procedures and ensure business continuity.

2) Network & Security

• Implement and manage firewall rules, access control, and network segmentation.
• Collaborate with the security team to enforce network and data protection policies.
• Ensure compliance with security standards and update protection systems (e.g., antivirus, intrusion prevention).

3) Cloud Networking & Hybrid Environment

• Design and implement cloud-based network architecture on platforms such as AWS, Azure, OCI, and Tencent.
• Set up hybrid connectivity between on-premises and cloud environments, including Direct Connect and Megaport.
• Configure and manage VPCs, subnets, route tables, NAT gateways, and internet gateways.
• Apply hub-and-spoke architecture models to optimize traffic flow and centralize shared services.
• Troubleshoot issues in cloud networking and infrastructure.

4) Automation & Collaboration

• Automate network deployments and management using scripting tools or Infrastructure as Code (e.g., Terraform, CloudFormation).
• Work with cross-functional teams to implement cloud and network solutions.
• Train and support Level 0/Service Desk teams by providing guidance or documentation.
• Stay updated with emerging technologies, trends, and best practices in networking and cloud security

Requirements:

Technical Skills

• 5+ years of hands-on experience in network engineering.
• Strong knowledge of networking protocols: IPSEC, HSRP, BGP, OSPF, 802.11, QoS.
• Deep understanding of the OSI and TCP/IP models.
• Experience with network diagnostic and monitoring tools.
• Proficiency in configuring and troubleshooting routers, switches, and firewalls.
• Strong understanding of cloud networking (AWS, Azure, OCI, Tencent).
• Familiarity with Infrastructure as Code (Terraform, CloudFormation).

Certifications & Education

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Professional certifications such as CCNP, CCIE, or CISSP are highly valued.